為什么我的代碼顯示不了document.write(“77”)，后面的節(jié)點(diǎn)也顯示不了;
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>節(jié)點(diǎn)屬性</title>
</head>
<body>
? <ul>
???? <li>javascript</li>
???? <li>HTML/CSS</li>
???? <li>jQuery</li>????
? </ul>
? <script type="text/javascript">
????? document.write("77");
??? var a=document.getElementsByTagName("li");
??? for(int i;i<a.length;i++){
??????? document.write("節(jié)點(diǎn)名稱(chēng)："+a[i].nodeName+"節(jié)點(diǎn)的值："a[i].nodeValue+"節(jié)點(diǎn)的類(lèi)型："+a[i].nodeType);
??? }
? </script>
</body>
</html>
2016-11-16
for(var i=0;i<x.length;i++){
節(jié)點(diǎn)的值：+"a[i].nodeValue+，漏了+